Kseniya (or Ksenia) Boguslavskaya (Russian: Ксения Богуславская, 1892-1972) was a Russian avant-garde artist (Futurist, Suprematist) poet and interior decorator. Her husband Ivan Puni was also a notable painter. She seems to be the originator of the Mavva (symbol of the World Evil) in poems of Velemir Khlebnikov.
In 1914 together with Puni she published the cubo-futurist booklet Roaring Parnas.
In 1915 Boguslavskaya jointed the Supremus group of avant-garde artists (Liubov Popova, Nadezhda Udaltsova, Varvara Stepanova, Aleksandra Ekster, Ivan Kliun, Nina Genke-Meller, Ivan Puni and others) that was led by the founder of Suprematism Kazimir Malevich.
In 1915-1916 with other artists (Suprematists) she worked in the Verbovka Village Folk Centre in the Ukrainian province near Kiev.
She was a member of Jack of Diamonds (1919) and Mir iskusstva (1916-1918).
In 1919 she and Puni escaped from the Soviets across the ice of the Gulf of Finland.
In 1919 to 1923 she lived in Berlin working as a scene designer for cabaret Blue Bird and for Russian Romantic Theater.
After 1923 she lived in Paris.